Utilities2 months ago
Free Online Calculators for Finance, Health & Math | RealCalculators
Free collection of 48 online calculators for finance, health, math, and everyday needs.
@avinashraj61815 · X
i vibe coded this week
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Free collection of 48 online calculators for finance, health, math, and everyday needs.
@avinashraj61815 · X
i vibe coded this week
Instant access to 305+ calculators for money, health, math, and everyday conversions.
@calculate_at · X
Free ESOP calculator to estimate startup equity value, dilution, vesting, and exit scenarios.
@SheshankSi60747 · X
Free calculators for analyzing startup and marketing metrics.
@NAVNEET_CODES · X
Free AI, startup, and marketing calculators built for founders, marketers, students, and business professionals.
Calculate how a raise affects your income after benefits cliffs.
@getpapi_ai · X
placed 3rd in the r/vibecoding vibejam 2026. It made me go viral in r/ohio It was my first ever jam entry, I'm also not a developer...or from Ohio. was planned, reviewed, shipped and currently managed by
Estimate GPU memory, latency, TTFT, TPOT, and throughput for LLM inference.
popopanda · HN
LLM Inference Calculator – Estimate VRAM, Latency, and Throughput
AI tool that automatically generates project quotes for contractors.
@ritazhang_yui · X
To every contractor tired of manually writing quotes, we just shipped the first working version of Quota, an AI estimator! Still early, but it’s finally live. Try it out: Would love feedback on what we should improve next 👀 #buildinpublic #AI #OpenClaw
Look up live prices for 900+ AI models from major providers via a developer API.
lellow · HN
Indextkn – live list prices for 900 AI models in one API
Compare LLM API pricing and calculate your monthly costs instantly.
u/ahmedk2002 · Reddit
I built a real-time LLM API pricing comparator — because I was tired of not knowing the actual cost difference between models I use LLMs daily at work and kept running into the same frustration: provider pricing pages give you raw numbers per million tokens, but no way to understand what that actually means for your specific use case. Is GPT-4o really that much more expensive than Claude Sonnet for 10k requests per day? What about DeepSeek vs Gemini Flash for high-volume summarization? I
Calculate how much meetings and work projects actually cost your company per day.
@mafaldateles_ · X
My first web app is out! I built a tiny tool to help answer a simple question: could that meeting have been an email? You decide.
Analyze and underwrite hotel investments with automated financial models and sensitivity analysis.
u/Additional-Study2600 · Reddit
Yaay!!! I finally got some subscribers to my platform after 6 weeks… any growth tips? Hey yall I’m super excited because after months of vibe coding and sleepless nights learning about repos, PRs, branches and commits to main lol I finally have a product I’m proud of and my first real revenue! The platform is called Underwrote.AI. it’s B2B and it’s somewhat niche… it’s underwriting software for hotel acquisitions (think institutional-grade Excel models, generated from a guided workflow). O
Free calculators for DIY home projects like woodworking, decks, concrete, and drywall.
u/CaboWabo55 · Reddit
Built a DIY calculator site in a weekend — betting on "boring tools" over content After my last project (an AI debate platform) got rejected by AdSense for "low value content," I went the opposite direction: no content treadmill, no AI features, no backend. Just genuinely useful calculators. studandslab.com — 10 free calculators for woodworking and home projects (board feet, stair stringers, concrete, drywall). Everything runs client-side, so hosting is free and every visitor costs me $0.